🌌 Stone's Star System Generator

Asteroid Belt

Center: 0.26 AU

Composition

Type: Inner (Rocky/Metallic)

A dense region of planetesimals and debris.

Boundary

Planet 1 - Gas Giant

Semi-Major Axis: 0.51 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 495

Radius: 8.9

Gravity: 6.25 G

Time & Orbit

Eccentricity (e): 0.132

Orbit Range: 0.44 AU - 0.58 AU

Year: 243 Days

Day: 14.9 Hours

Environment

Temp: -140 °C

Axial Tilt: 37.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (10)

Outer Limit: 36,444,801 km

• M1: 110,702 km (0.11 R)
• M2: 388,655 km (0.1 R)
• M3: 718,219 km (0.116 R)
• M4: 1,111,363 km (0.09 R)
• M5: 1,437,636 km (0.115 R)
• M6: 1,867,580 km (0.074 R)
• M7: 2,161,091 km (0.084 R)
• M8: 2,445,177 km (0.052 R)
• M9: 2,887,089 km (0.045 R)
• M10: 3,253,006 km (0.081 R)

Planet 2 - Gas Giant

Semi-Major Axis: 0.76 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 114

Radius: 9.8

Gravity: 1.19 G

Time & Orbit

Eccentricity (e): 0.048

Orbit Range: 0.72 AU - 0.8 AU

Year: 442 Days

Day: 12.9 Hours

Environment

Temp: -164 °C

Axial Tilt: 26.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (7)

Outer Limit: 36,444,801 km

• M1: 122,072 km (0.048 R)
• M2: 449,242 km (0.078 R)
• M3: 753,973 km (0.113 R)
• M4: 1,331,122 km (0.026 R)
• M5: 1,820,756 km (0.039 R)
• M6: 2,140,297 km (0.072 R)
• M7: 3,108,494 km (0.071 R)

Planet 3 - Gas Giant

Semi-Major Axis: 0.84 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 49.2

Radius: 8.5

Gravity: 0.68 G

Time & Orbit

Eccentricity (e): 0.162

Orbit Range: 0.7 AU - 0.98 AU

Year: 513 Days

Day: 11.7 Hours

Environment

Temp: -157 °C

Axial Tilt: 31.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (6)

Outer Limit: 36,444,801 km

• M1: 115,190 km (0.074 R)
• M2: 1,033,123 km (0.076 R)
• M3: 1,304,493 km (0.085 R)
• M4: 1,730,997 km (0.079 R)
• M5: 2,028,697 km (0.047 R)
• M6: 2,360,505 km (0.103 R)

Planet 4 - Gas Giant

Semi-Major Axis: 1.04 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 408.7

Radius: 10.3

Gravity: 3.85 G

Time & Orbit

Eccentricity (e): 0.01

Orbit Range: 1.03 AU - 1.05 AU

Year: 707 Days

Day: 5.7 Hours

Environment

Temp: -184 °C

Axial Tilt: 34.9 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (8)

Outer Limit: 36,444,801 km

• M1: 128,355 km (0.072 R)
• M2: 511,625 km (0.086 R)
• M3: 1,533,378 km (0.06 R)
• M4: 2,239,031 km (0.066 R)
• M5: 3,674,572 km (0.106 R)
• M6: 4,200,110 km (0.06 R)
• M7: 4,634,542 km (0.119 R)
• M8: 4,967,547 km (0.086 R)

Planet 5 - Gas Giant

Semi-Major Axis: 1.45 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 648.5

Radius: 12.9

Gravity: 3.9 G

Time & Orbit

Eccentricity (e): 0.182

Orbit Range: 1.19 AU - 1.71 AU

Year: 1164 Days

Day: 13.7 Hours

Environment

Temp: -192 °C

Axial Tilt: 39.7 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (13)

Outer Limit: 36,444,801 km

• M1: 160,369 km (0.079 R)
• M2: 772,224 km (0.095 R)
• M3: 1,181,973 km (0.025 R)
• M4: 1,636,451 km (0.095 R)
• M5: 2,155,556 km (0.078 R)
• M6: 2,708,619 km (0.1 R)
• M7: 3,326,309 km (0.079 R)
• M8: 3,794,400 km (0.109 R)
• M9: 4,643,069 km (0.092 R)
• M10: 6,834,828 km (0.108 R)
• M11: 8,144,407 km (0.108 R)
• M12: 8,746,389 km (0.047 R)
• M13: 10,635,960 km (0.11 R)

Planet 6 - Gas Giant

Semi-Major Axis: 2.46 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 965.7

Radius: 12.1

Gravity: 6.6 G

Time & Orbit

Eccentricity (e): 0.037

Orbit Range: 2.37 AU - 2.55 AU

Year: 2573 Days

Day: 11 Hours

Environment

Temp: -211 °C

Axial Tilt: 10.8 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (22)

Outer Limit: 36,444,801 km

• M1: 150,495 km (0.078 R)
• M2: 580,141 km (0.049 R)
• M3: 1,149,510 km (0.094 R)
• M4: 2,279,722 km (0.08 R)
• M5: 2,675,259 km (0.038 R)
• M6: 3,168,932 km (0.086 R)
• M7: 4,319,938 km (0.042 R)
• M8: 5,075,557 km (0.095 R)
• M9: 6,329,935 km (0.106 R)
• M10: 6,850,236 km (0.115 R)
• M11: 7,461,643 km (0.113 R)
• M12: 9,114,549 km (0.077 R)
• M13: 10,046,245 km (0.055 R)
• M14: 10,515,534 km (0.112 R)
• M15: 12,585,818 km (0.105 R)
• M16: 13,085,625 km (0.114 R)
• M17: 13,740,864 km (0.085 R)
• M18: 14,615,263 km (0.098 R)
• M19: 16,582,924 km (0.074 R)
• M20: 17,239,359 km (0.114 R)
• M21: 18,084,288 km (0.037 R)
• M22: 19,917,760 km (0.096 R)

Planet 7 - Gas Giant

Semi-Major Axis: 3.25 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 255.2

Radius: 12.2

Gravity: 1.71 G

Time & Orbit

Eccentricity (e): 0.011

Orbit Range: 3.21 AU - 3.29 AU

Year: 3907 Days

Day: 14.5 Hours

Environment

Temp: -219 °C

Axial Tilt: 38.6 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (11)

Outer Limit: 36,444,801 km

• M1: 151,991 km (0.112 R)
• M2: 691,142 km (0.096 R)
• M3: 1,458,430 km (0.104 R)
• M4: 2,148,375 km (0.101 R)
• M5: 3,718,704 km (0.047 R)
• M6: 4,200,110 km (0.063 R)
• M7: 6,131,269 km (0.109 R)
• M8: 7,292,747 km (0.064 R)
• M9: 8,050,759 km (0.079 R)
• M10: 9,302,744 km (0.086 R)
• M11: 13,882,682 km (0.113 R)

Planet 8 - Gas Giant

Semi-Major Axis: 5.37 AU

Status: Outer (Cold)

Composition: Hydrogen/Helium Atmosphere

Physical Data

Mass: 791

Radius: 11.7

Gravity: 5.78 G

Time & Orbit

Eccentricity (e): 0.2

Orbit Range: 4.3 AU - 6.44 AU

Year: 8298 Days

Day: 11.9 Hours

Environment

Temp: -222 °C

Axial Tilt: 27.1 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (26)

Outer Limit: 36,444,801 km

• M1: 150,047 km (0.106 R)
• M2: 862,282 km (0.112 R)
• M3: 1,376,749 km (0.099 R)
• M4: 2,315,625 km (0.039 R)
• M5: 2,711,013 km (0.097 R)
• M6: 4,510,226 km (0.077 R)
• M7: 5,384,775 km (0.08 R)
• M8: 6,369,129 km (0.079 R)
• M9: 6,772,445 km (0.078 R)
• M10: 10,341,102 km (0.064 R)
• M11: 10,796,778 km (0.099 R)
• M12: 11,425,238 km (0.113 R)
• M13: 14,062,948 km (0.089 R)
• M14: 14,622,893 km (0.113 R)
• M15: 16,121,564 km (0.084 R)
• M16: 16,735,065 km (0.099 R)
• M17: 17,364,124 km (0.12 R)
• M18: 19,961,442 km (0.09 R)
• M19: 20,748,776 km (0.088 R)
• M20: 22,469,451 km (0.113 R)
• M21: 23,321,410 km (0.037 R)
• M22: 24,372,036 km (0.076 R)
• M23: 27,423,982 km (0.113 R)
• M24: 29,899,378 km (0.106 R)
• M25: 40,168,524 km (0.105 R)
• M26: 41,804,527 km (0.089 R)

Planet 9 - Ice Giant

Semi-Major Axis: 9.42 AU

Status: Outer (Cold)

Composition: Methane/Ammonia Ices

Physical Data

Mass: 81

Radius: 6.3

Gravity: 2.04 G

Time & Orbit

Eccentricity (e): 0.136

Orbit Range: 8.14 AU - 10.7 AU

Year: 19280 Days

Day: 16.3 Hours

Environment

Temp: -229 °C

Axial Tilt: 17.3 °

Atmosphere: H₂, CH₄

Biome: None

Satellites (24)

Outer Limit: 36,444,801 km

• M1: 79,287 km (0.052 R)
• M2: 364,869 km (0.043 R)
• M3: 842,984 km (0.111 R)
• M4: 2,089,583 km (0.097 R)
• M5: 2,319,665 km (0.067 R)
• M6: 2,929,575 km (0.099 R)
• M7: 5,584,937 km (0.061 R)
• M8: 5,932,902 km (0.06 R)
• M9: 6,533,537 km (0.117 R)
• M10: 12,233,964 km (0.051 R)
• M11: 13,708,700 km (0.112 R)
• M12: 17,737,520 km (0.084 R)
• M13: 18,489,250 km (0.089 R)
• M14: 20,797,096 km (0.112 R)
• M15: 21,022,839 km (0.081 R)
• M16: 22,569,980 km (0.075 R)
• M17: 23,290,294 km (0.063 R)
• M18: 26,150,157 km (0.061 R)
• M19: 27,302,808 km (0.091 R)
• M20: 27,937,253 km (0.081 R)
• M21: 28,860,720 km (0.103 R)
• M22: 30,671,004 km (0.11 R)
• M23: 32,656,916 km (0.09 R)
• M24: 35,471,750 km (0.11 R)

Kuiper Belt

Range: 30 - 58 AU

Composition

Type: Dwarf Planets/TNOs (Ices)

Reservoir of dwarf planets and volatile ices.

Outer System

Oort Cloud

Range: 260 - 12,606 AU

Composition

Type: Cometary Reservoir

System's final boundary, containing trillions of icy planetesimals.

Gravitational Limit